#! /bin/sh
#----------------------------------------------------------------------------
# /etc/init.d/php7.3-fpm - start/stop/restart php7.3-fpm
#
# Creation:     2018-01-01 schlotze
# Last Update:  $Id: php7.3-fpm 62201 2019-01-08 16:39:08Z schlotze $
#
# Copyright (c) 2018-2019 the eisfair team, team(at)eisfair(dot)org 
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#----------------------------------------------------------------------------

# read functions
. /etc/init.d/functions

prefix=/usr
exec_prefix=/usr

php_fpm_BIN=${exec_prefix}/sbin/php7.3-fpm
php_fpm_CONF=/etc/php7.3/php7.3-fpm.conf
php_fpm_PID=/run/php7.3-fpm.pid

php_opts="--fpm-config $php_fpm_CONF -c /etc/php7.3/fpm/php.ini --pid $php_fpm_PID"

# Include config
. /etc/config.d/php7.3-fpm

# ---------------------------------------------------------------------------
# usage
# ---------------------------------------------------------------------------
usage()
{
cat <<EOF

 Usage:
 ${0}
                -q, --quiet      suppress all normal output
                [start]
                [stop]
                [status]
                [restart]
                [reload]

EOF
}


# ---------------------------------------------------------------------------
# wait for pid
# ---------------------------------------------------------------------------
wait_for_pid()
{
	try=0

	while test $try -lt 35 ; do

		case "$1" in
			'created')
			if [ -f "$2" ] ; then
				try=''
				break
			fi
			;;

			'removed')
			if [ ! -f "$2" ] ; then
				try=''
				break
			fi
			;;
		esac

		echo -n .
		try=$(($try + 1))
		sleep 1

	done
}

# ---------------------------------------------------------------------------
# start fpm
# ---------------------------------------------------------------------------
fpm_start()
{
    pidofproc -p ${php_fpm_PID} -s ${php_fpm_BIN}
    case ${?} in
    0)
        boot_mesg " * php7.3-fpm is already running ..."
        echo_warning
        exit 0
        ;;
    1)
        /usr/bin/rm -f ${php_fpm_PID}
        ;;
    esac
        
	boot_mesg " * Starting php7.3-fpm ..."

	loadproc $php_fpm_BIN --daemonize $php_opts  2>/dev/null

	wait_for_pid created $php_fpm_PID
}

# ---------------------------------------------------------------------------
# stop fpm
# ---------------------------------------------------------------------------
fpm_stop()
{
    pidofproc -p ${php_fpm_PID} -s ${php_fpm_BIN}
    if [ "${?}" -eq "3" -a "$(tty)" = "/dev/console" ]
    then
        _mesg=false
    fi

    if ${_mesg:-true}
    then
        boot_mesg " * Stopping php7.3-fpm ..."
    fi

    killproc -p ${php_fpm_PID} ${php_fpm_BIN}
}		

# ---------------------------------------------------------------------------
# status fpm
# ---------------------------------------------------------------------------
fpm_status()
{
    statusproc ${php_fpm_BIN}
}

# ---------------------------------------------------------------------------
# restart fpm
# ---------------------------------------------------------------------------
fpm_restart()
{
    fpm_stop
    sleep 5
    fpm_start
}
	
# ---------------------------------------------------------------------------
# reload fpm
# ---------------------------------------------------------------------------
fpm_reload()
{
    pidofproc -p ${php_fpm_PID} -s ${php_fpm_BIN}
    case ${?} in
    0)
        fpm_reload=true
        ;;
    1)
        /usr/bin/rm -f ${php_fpm_PID}
        ;;
    esac

    if ! ${fpm_reolad:-false}
    then
        boot_mesg " * Reload php7.3-fpm service ..." 
        RELOADSIG="USR2"
        reloadproc -p ${php_fpm_PID} ${php_fpm_BIN}
    else 
        fpm_start
    fi
}

# ---------------------------------------------------------------------------
# main
# ---------------------------------------------------------------------------

while [ "${#}" -gt 0 ]
do
    case "${1}" in
    -q|--quiet)
        _quiet=true
        shift
        ;;
    *)
        _action="${1}"
        shift
        ;;
    esac
done


case "${_action}" in
    start)
        fpm_start
    ;;
    stop)
        fpm_stop
    ;;
    status)
        fpm_status
    ;;
    restart)
        fpm_restart
    ;;
    reload)
        fpm_reload
    ;;
    *)
        usage
        exit 1
    ;;
esac

exit 0
# ---------------------------------------------------------------------------
# end
# ---------------------------------------------------------------------------